反应详情

1,1-Dimethylethyl 5,6,7,8-tetrahydroimidazo[1,2-a]pyrazin-7-carboxylate (Description 163, 505 mg, 2.26 mmol) in dichloromethane (2.5 mL) was added to stirred, cooled (0° C.) trifluoroacetic acid (5 mL) and the mixture was stirred at 0° C. for 15 minutes, then at room temperature for 45 minutes. The solvent was evaporated under reduced pressure to give the title compound. m/z (ES+) 124 (M+1).

1. stirringthe mixture was stirred at 0° C. for 15 minutes
2. customThe solvent was evaporated under reduced pressure